Merle Oberon
— Joan Ames
George Brent
— Dan Hardesty
Pat O'Brien
— Steve Burke
Geraldine Fitzgerald
— Bonny Coburn
Binnie Barnes
— Comtesse de Bresac
Frank McHugh
— Rockingham T. Rockingham
Eric Blore
— Sir Harold Pinchard
Henry O'Neill
— Dr. Cameron
George Reeves
— Jimmy Coburn
Frank Wilcox
— Asst. Purser
Doris Lloyd
— Louise
Marjorie Gateson
— Mrs. Hester
Regis Toomey
— Freddy
William Halligan
— Bartender on Boat
Victor Kilian
— Herb McGillis
Wade Boteler
— Captain Stoddard
Herbert Anderson
— (uncredited)
Mary Anderson
— Girl (uncredited)
Hal Brazeale
— Lemmy (uncredited)
Nat Carr
— Assistant Purser (uncredited)
Glen Cavender
— Ship Officer (uncredited)
Jay Eaton
— Extra in Hong Kong Bar (uncredited)
Robert Elliott
— Detective (uncredited)
Bess Flowers
— Ship's Passenger (uncredited)
Chester Gan
— Hong Kong Policeman (uncredited)
Jane Gilbert
— Girl (uncredited)
Sol Gorss
— Sailor (uncredited)
William Gould
— Chief of Police (uncredited)
Grace Hayle
— Fussy Woman Passenger (uncredited)
Robert Homans
— Dock Policeman (uncredited)